If a server's certificate isn't accepted by send-email, the output is:
Unable to initialize SMTP properly. Check config and use --smtp-debug.
but adding --smtp-debug=1 just produces the same output since we don't
get as far as talking SMTP.
Turning on SSL debug at level 1 gives:
DEBUG: .../IO/Socket/SSL.pm:1796: SSL connect attempt failed
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify
failed
DEBUG: .../IO/Socket/SSL.pm:673: fatal SSL error: SSL connect attempt
failed error:14090086:SSL routines:ssl3_get_server_certificate:certificate
verify failed
DEBUG: .../IO/Socket/SSL.pm:1780: IO::Socket::IP configuration failed
IO::Socket::SSL defines level 1 debug as "print out errors from
IO::Socket::SSL and ciphers from Net::SSLeay". In fact, it aliases
Net::SSLeay::trace which is defined to guarantee silence at level 0 and
only emit error messages at level 1, so let's enable it by default.
The modification of warnings is needed to avoid a warning about:
Name "IO::Socket::SSL::DEBUG" used only once: possible typo
Signed-off-by: John Keeping <j...@keeping.me.uk>
---
Sorry about the delay following up with this.
I don't particularly like the need for brackets and modifying the
warnings here, but AFAIK there is no other way to avoid a warning that
is likely to upset users (although I am far from a Perl expert).
git-send-email.perl | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/git-send-email.perl b/git-send-email.perl
index e907e0e..72508be 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1318,6 +1318,13 @@ Message-Id: $message_id
require Net::SMTP::SSL;
$smtp_domain ||= maildomain();
require IO::Socket::SSL;
+
+ # Suppress "variable accessed once" warning.
+ {
+ no warnings 'once';
+ $IO::Socket::SSL::DEBUG = 1;
+ }
+
# Net::SMTP::SSL->new() does not forward any SSL options
IO::Socket::SSL::set_client_defaults(
ssl_verify_params());
--
2.6.3.462.gbe2c914
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